Avoid errors in Info-search-case-sensitively in DIR buffers

* lisp/info.el (Info-search): Don't run the "try other subfiles"
code if there are no subfiles.  This happens, for example, in DIR
files.  (Bug#70058)

1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/info.el b/lisp/info.el
index 1c6df9a6ee5..5817737ca92 100644
--- a/lisp/info.el
+++ b/lisp/info.el
@@ -2056,7 +2056,7 @@ If DIRECTION is `backward', search in the reverse direction."
                       (re-search-forward regexp nil t))
               (signal 'user-search-failed (list regexp))))))
 
-      (if (and bound (not found))
+      (if (and (or bound (not Info-current-subfile)) (not found))
           (signal 'user-search-failed (list regexp)))
 
       (unless (or found bound)